or even a person of interest because you don't want to do that because it might invoke some rules of miranda, was the person in custody, was a custodial interrogation. if a prosecution comes forward can they get somebody who was tried in the case. an phone can come back and throw this statement or this confession or this statement out because the rights were violated of this individual. i think that's really important. i think it's significant that they at least were saying person of interest, someone they were questioning. the burns i think is also indicative somebody was very close to the blast point. that's important. >> one second. we will get back to the panel in a second. there's a press conference at massachusetts general hospital of which we were just speaking and we will take that. >> right now the hospital is operating in a business as usual mode with the exception just of some heightened security, of which i am sure you are aware. >> questions for the doctor? >> the nature you are of the injuries? >> these are blast-type injuries. these are very high force, high impact type injuri